Apparatus for forcing fluid from wells



C. G. BODUNGEN.

APPARATUS FOR FORCING FLUID FROM WELLS.

APPLICATION FILED JUNE 5,1920H Patented Feb. 22,1921.

/ TTORN 5 4 UNITED STATES CHARLES G. BODUNGEN,

PATENT OFFICE.

OF. GOO'SE CREEK, TEXAS.

Specification of Letters Patent.

Patented Feb. 22, 1921.

Application filed June 5, 1920. Serial No. 386,863.

To all whom it may concern.

Be it known that 1, CHARLES G. BODUNGEN, citizen of the United States, residing at Goose Creek, in the county of Harris and State of Texas, have invented certain new and useful Improvements in Apparatus for Forcing Fluid from Wells, of which the following is a specification.

This invention relates to new and useful improvements in an apparatus for forcing fluid from wells.

One object of the invention is to provide a device of the character described whereby oil or other. fluids may be recovered from wells through the instrumentality of fluid pressure.

Another object is to provide a device of the character described whereby the. fluid may be withdrawn without danger of driving the same back into the formation and thus injuring or ruining the well. It is common practice to force air under pressure down through'a pipe into the fluid, in a well bore, and thus drive the fluid up out of the bore to the surface of the ground, but with the apparatus now employed there is danger of driving the oil or other fluid to be recovered back into the formation of the walls of the bore, instead of up out of the bore. The apparatus herein described will obviate such danger.

With the above and other objects in view the invention has particular relation to certain novel features of construction, operation, and arrangement of parts, an example of which is given in this specification and illustrated in the accompanying drawings, wherein g Figure 1 shows a vertical sectional view of the device, and i Fig. 2 shows a sectional view taken on the line 22 of Fig. 1.

In the drawings the numeral 1 designates the well bore and the numeral 2 refers to a. tubing which is let down into said bore.

The lower end 3 of this tubing is reduced and closed by a cap 4. Surrounding this reduced end there is an elongated hood 5 whose lower end is closed, and also secured to the tubing 3, by means of the nipple 6. The upper end of the hood is open and is anchored to the tubing 2 by means of the straps 7. The hood is larger than, and is spaced from, the tubing 3 and the lower end of the tubing 3 within said hood is provided with the perforations 8.

In practice the apparatus is let down into a well bore until the hood 5 is submerged. Said hood will obviously fill with the fluid of the bore. Air is then forced under pressure down through the tubing 2 and will pass out through the perforations 8 and up through the hood 5 and on out of the-bore carrying the oil or other fluid with it to the surface of the ground. The hood will prevent the pressure fluid from driving the oil back into the formation of the bore, but will start it on its upward course and it will then continue on up out of thebore.

What I claimis A device of the character described, including a tubing having its lower end re duced and closed and provided with perforations, at its lower end, a long hood surrounding and spaced from said reduced portion, said hood being of approximately the same size as said tubing,a connection through which the lower end of said hood is closed and anchored to the tubing underneath said perforations, the upper end of said hood being open and straps fastened at one end to the upper end of the hood and at their other ends to the tubing.

In testimony whereof I have signed my name to this specification in the presence of two subscribin witnesses.

CH RLES G. BODUNGEN.

Witnesses:

O. L. EDWARDS, M. J. DUKE. 

